/*
 * $QNXLicenseC:
 * Copyright 2007, QNX Software Systems. All Rights Reserved.
 * 
 * You must obtain a written license from and pay applicable license fees to QNX 
 * Software Systems before you may reproduce, modify or distribute this software, 
 * or any work that includes all or part of this software.   Free development 
 * licenses are available for evaluation and non-commercial purposes.  For more 
 * information visit http://licensing.qnx.com or email licensing@qnx.com.
 *  
 * This file may contain contributions from others.  Please review this entire 
 * file for other proprietary rights or license notices, as well as the QNX 
 * Development Suite License Guide at http://licensing.qnx.com/license-guide/ 
 * for other information.
 * $
 */




#include "spin.h"

int _pthread_spin_lock(pthread_spinlock_t *lock) {
	volatile unsigned			*count = (volatile unsigned *)&lock->__count;

	while(_smp_cmpxchg(count, 0, 1) != 0) {
		while(*count) {
			/* nothing to do */
		}
	}

	return EOK;
}


__SRCVERSION("_pthread_spin_lock.c $Rev: 153052 $");
